US4722275A - Web tension control apparatus for use with a rotary press - Google Patents

Web tension control apparatus for use with a rotary press Download PDF

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Publication number
US4722275A
US4722275A US06/871,437 US87143786A US4722275A US 4722275 A US4722275 A US 4722275A US 87143786 A US87143786 A US 87143786A US 4722275 A US4722275 A US 4722275A
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US
United States
Prior art keywords
web
midway
roller
biasing
tension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US06/871,437
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English (en)
Inventor
Toshio Taguchi
Hitoshi Matsuoka
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Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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Filing date
Publication date
Priority claimed from JP59212606A external-priority patent/JPS6194960A/ja
Priority claimed from JP15434384U external-priority patent/JPH0130449Y2/ja
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Assigned to MITSUBISHI JUKOGYO KABUSHIKI KAISHA reassignment MITSUBISHI JUKOGYO KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MATSUOKA, HITOSHI, TAGUCHI, TOSHIO
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension

Definitions

  • the present invention relates to an apparatus for controlling the tension of a running print sheet or web for use with a rotary press.
  • FIG. 1 and FIG. 2 A typical monochromatic perfecting unit and of a typical monochromatic perfecting and multicolor oneside printing unit for use with a conventional rotary press are shown in FIG. 1 and FIG. 2, respectively.
  • a running printing sheet or web of paper 1 is, after having been printed by the monochromatic perfecting unit 2, directed through a guide roller 3 toward a midway drag roller 4, whereby the web of paper is subjected to traction to be delivered to following operations.
  • the running web 1 is, after having been printed by the monochromatic perfecting unit 2, directed through a guide roller 5 toward a midway drag roller 4, whereby the web is subjected to traction to be delivered to a multicolor one side printing unit 5, where the web is subjected to the multicolor printing operations and is then redirected to following procedures in the printing line.
  • a tension control apparatus for use with a rotary press, which comprises, as briefly summarized, a midway drag biasing roller adapted to be urged resiliently against the outer circumferential surface of a midway drag roller, a biasing device adapted to resiliently apply an urging pressure upon the midway drag biasing roller so that it may be urged properly in the biasing direction, a tension detecting device adapted to detect the tensions of the printing sheet or web extending upstream and downstream of a printing unit, and a control device adapted to control the urging force of the biasing device in accordance with due signals from the tension detecting device, so that the tensions of the running web upstream and downstream of the printing unit may be equalized, whereby there is attained such advantageous effects such as preventing a loss of tension in the printing web as would be encountered in the area of the slotted section of a printing cylinder, and such as reducing possible variations in the tension of the running web, thus resulting in the efficient prevention of defects such as offset doubles and variations in
  • FIGS. 1 and 2 are schematic views show portions of conventional printing units
  • FIG. 3 is a schematic view showing the system of a tension control apparatus by way of a preferred embodiment of the present invention for use with a rotary press;
  • FIG. 4 is a schematic view showing the system by way of another embodiment of the present invention.
  • FIG. 5 is a schematic side elevation view showing a preferred embodiment of a midway drag roller of the present invention.
  • FIG. 6 is an enlarged front elevation view showing the midway drag roller of the present invention.
  • a tension control apparatus for use with a rotary press shown in FIG. 3 is now described by way of a preferred embodiment, which is shown comprising a running sheet or web of printing paper designated at the reference numeral 1, a monochromatic perfecting unit at 2, a guide roller at 3, a midway drag roller at 4, a biasing roller at 6 which is not rotatably driven resiliently urged toward the midway drag roller 4, and a biasing device at 7 for causing the biasing roller 6 to be biased under a biasing force against the midway drag roller 6. Also, a tension detector 8 is provided in the guide roller 3, and a floating or dancer roller 9 is provided upstream of the monochromatic perfecting unit 2.
  • the detection of the tension in the running web 1 passing through the monochromatic perfecting unit 2 and the guide roller 3 is conducted in such a manner that a signal representing the tension detected as a load rendered by the dancer roller 9 upstream of the monochromatic perfecting unit 2 and a signal representing the tension as detected by the tension detector 8 are fed to a control unit 10 which is adapted to control the biasing device 7.
  • the running web of printing paper 1 is directed to extend toward to the monochromatic perfecting unit 2, the web 1 being tensioned upstream of the unit 2, and thereafter fed into the unit 2 for printing.
  • the running web 1 is then directed to pass through the guide roller 3, where the tension of the web 1 on the delivery side of the monochromatic perfecting unit 2 is detected by the tension detector 8 which is provided in the guide roller 3, and then is sent out to the midway drag roller 4.
  • the outer circumferential speed of the midway drag roller 4 is set to be 1% greater than that of the monochromatic perfecting unit 2, and that the midway drag roller 4 slips with respect to the web 1 to an extent of a difference in the speeds of the two.
  • the midway drag roller 4 may render a dragging or friction force which is generally proportional to the biasing force of the biasing roller 6 upon the web 1, so that the tension of the web 1 may be controlled exclusively in accordance with the biasing force from the biasing roller 6, accordingly.
  • the tension signal which is detected by the dancer roller 9, for example a voltage signal, and the tension signal as detected by the tension detector 8, for example a voltage signal are each proportional to the detected tension of the web 1, and these signals are fed into the control device 10, where they are compared with each other for any difference in magnitide of voltage, and if any, the control device 10 functions to generate a control signal which compensates for the difference in these signals, the control signal of the control device 10 is delivered to the biasing device 7 so that the biasing roller 6 may render an appropriate biasing force upon the midway drag roller 4 so as to control the tension of the web 1 accordingly.
  • the biasing device 7 is operated to urge the biasing roller 6 so as to increase the tension in the web 1, and vice versa.
  • the tensions present in the web 1 before and after passing through the monochromatic perfecting unit 2 are efficiently regulated to be equal to each other.
  • FIG. 4 shows another embodiment of the invention which is adapted to the rotary press employing the monochromatic perfecting unit 2 and the multicolor one-side printing unit 5 shown in FIG. 2.
  • a plurality of sets of blanket cylinders 12 are urged toward the outer circumference of an impression cylinder 11.
  • some sets of blanket cylinders 12 may still serve to efficiently hold the web 1 in position around the circumference of the impression cylinder 11, only relatively small tension losses occur from the slotted section in the printing cylinder, thus efficiently preventing such faults in the printing from occurring as accomplished with the advantageous construction shown in FIG. 3, accordingly.
  • a running web of printing paper 1 a midway drag roller 4 having a flat portion 4a with a flat circumferential surface and a groove portion 4b formed with a plurality of grooves extending parallel to each other and disposed in alternate fashion with the flat portion, and a biasing roller 6 adapted to urge the web 1 upon the flat portions 4a of the midway drag roller 4 are provided.
  • the operation of the midway drag roller 4 as shown in FIGS. 5 and 6 will be described. It is seen that the web 1 is urged against the outer circumferential surface of the midway drag roller 4 by the biasing roller 6 while passing therethrough, with an appropriate tension value to following operations. At this stage, the web 1 would possibly proceed in zigzag manner with a too large of a tension rendered, which would result in a breakage of and wrinkle in the web 1. In this respect, it is required to maintain an appropriate tension within an optimal range.
  • the midway drag roller 4 which is provided the flat portions 4a and the grooved portions 4b disposed in an alternate manner so that there are formed a plurality of grooves extending in parallel and in the circumferential direction in the outer circumferential surface of the roller 4, there is attained such an advantageous effect that the grooved portions 4b in the roller surface may let air entrapped by the web 1 escape, thus preventing the loss of frictional drive force from the circumferential surface of the midway drag roller 4 from occurring and thus, the biasing roller 6 serves to effiently urge the web 1 upon the flat portions 4a thereof so that the tension of the web 1 may be controlled optimally.
  • the midway drag roller 4 is designed with its outer circumferential surface comprising the plurality of flat portions 4a sandwiched between the adjacent grooved portions 4b extending parallel to one another in the circumferential direction, and the biasing roller 6 is urged toward the flat portions 4a of the midway drag roller 4 so that the biasing roller 6 may serve to urge the flat portions 4a of the midway drag roller 4 through the running web 1 sandwiched therebetween, there is no possibility that the grooves will leave any undesired marks or impressions on the surface of the web 1 even with a substantial urging force rendered thereupon, thus making it feasible in practice to have a substantially widened range of tension control for the running web 1 in comparison with the conventional construction in which there are formed a plurality of grooves the entire outer circumferential area of the drag roller 4. Also, it provides another advantageous feature in that the running web 1 may be held in an optimal condition while being fed along the printing line because it ensures that the web 1 is free from any marks of grooves in the

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
US06/871,437 1984-10-12 1985-10-09 Web tension control apparatus for use with a rotary press Expired - Lifetime US4722275A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP59-212606 1984-10-12
JP59212606A JPS6194960A (ja) 1984-10-12 1984-10-12 輪転印刷機の張力制御装置
JP59-154343 1984-10-15
JP15434384U JPH0130449Y2 (zh) 1984-10-15 1984-10-15

Publications (1)

Publication Number Publication Date
US4722275A true US4722275A (en) 1988-02-02

Family

ID=26482656

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/871,437 Expired - Lifetime US4722275A (en) 1984-10-12 1985-10-09 Web tension control apparatus for use with a rotary press

Country Status (3)

Country Link
US (1) US4722275A (zh)
DE (2) DE3590509C2 (zh)
WO (1) WO1986002339A1 (zh)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024156A (en) * 1985-12-13 1991-06-18 Veb Kombinat Polygraph "Werner Lamberz" Leipzig Safety device for the control of web-fed rotary printing machines
US5386772A (en) * 1993-06-15 1995-02-07 Datametrics Corporation High speed media management device
US5438926A (en) * 1991-11-04 1995-08-08 Hudyma; Edward Device for maintaining cut off registration in a printing press
US5636567A (en) * 1996-05-31 1997-06-10 Webtron Corporation Printing press with web feed metering system
US5816152A (en) * 1997-09-02 1998-10-06 Delaware Capital Formation, Inc. Reconfigurable printing press
US5927197A (en) * 1998-07-09 1999-07-27 Troy Systems, Inc. Tensioner and system for continuous printer sheet advancement
US5937756A (en) * 1997-11-10 1999-08-17 Miyakoshi Printing Machinery Co., Ltd. Tension control system for web in form printing press
EP0943431A1 (de) * 1998-03-16 1999-09-22 LEMO Maschinenbau GmbH Flexodruckmaschine mit mehreren einzeln angetriebenen Druckwerken
US6085956A (en) * 1998-08-04 2000-07-11 Quad/Graphics, Inc. Method and apparatus for controlling tension in a web offset printing press
US6295925B1 (en) * 2000-05-22 2001-10-02 Sarni/Bria Flexographic Llc Web tension control system and method for flexographic tag and label presses
US6606945B1 (en) * 1999-07-12 2003-08-19 Fuji Xerox Co., Ltd. Continuous medium printing apparatus
US20040020391A1 (en) * 2000-11-27 2004-02-05 Glockner Erhard Herbert Method for controlling a circumferential register in a web-fed rotary press
US6820549B2 (en) * 2002-08-20 2004-11-23 Komori Corporation Rotary press
US20040261638A1 (en) * 2002-03-08 2004-12-30 Komori Corporation Method for controlling an apparatus for controlling a cutting position of a web member and device therefor
WO2005068334A2 (en) 2003-12-22 2005-07-28 3M Innovative Properties Company Real-time determination of web tension and control using position sensors
US20060086276A1 (en) * 2004-10-23 2006-04-27 Man Roland Druckmaschinen Ag Method for setting the cut register in a web-fed rotary press

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19614519A1 (de) * 1996-04-12 1997-10-16 Bhs Corr Masch & Anlagenbau Vorrichtung zum Fördern einer Materialbahn, insbesondere einer Wellpappenbahn
DE102005037496A1 (de) * 2005-08-09 2007-02-15 Man Roland Druckmaschinen Ag Überwachungseinrichtung einer Folienführung
DE102006060212B4 (de) * 2006-12-18 2013-07-11 Windmöller & Hölscher Kg Druckmaschine zum Bedrucken von Bedruckstoffbahnen sowie Verfahren zur Einstellung und Aufrechterhaltung des Registers einer solchen Druckmaschine
DE102007015785A1 (de) 2007-03-30 2008-10-02 Man Roland Druckmaschinen Ag Verfahren und Vorrichtung zur Ermittlung der Bahnspannung bzw. des Bahnzugs in einer Bedruckstoffbahn

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098432A (en) * 1961-08-29 1963-07-23 Armstrong Cork Co Web tension control for multi-unit printing press
US4004510A (en) * 1973-11-13 1977-01-25 J. Bobst & Fils S.A. Equipment for introduction of a strip of paper, cardboard or similar material into a printing machine
US4096801A (en) * 1972-02-01 1978-06-27 Martin John R Register control method and apparatus
JPS54116560A (en) * 1978-03-01 1979-09-10 Kataoka Kikai Seisakusho Kk Tension control apparatus for running sheet
JPS59104939A (ja) * 1982-12-09 1984-06-18 Akira Seisakusho:Kk 印刷機における張力調整装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS3928689Y1 (zh) * 1964-02-10 1964-09-30
DE1812226B1 (de) * 1968-12-02 1970-08-20 Windmoeller & Hoelscher Vorzugvorrichtung fuer Werkstoffbahnen in Bahnen verarbeitenden Maschinen,insbesondere Druckmaschinen
DD130123A1 (de) * 1977-02-25 1978-03-08 Dietrich Hank Pneumatisch betaetigbarer pressroller
JPS6147262A (ja) * 1984-08-13 1986-03-07 Mitsubishi Heavy Ind Ltd 輪転印刷機における走行紙の張力制御方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098432A (en) * 1961-08-29 1963-07-23 Armstrong Cork Co Web tension control for multi-unit printing press
US4096801A (en) * 1972-02-01 1978-06-27 Martin John R Register control method and apparatus
US4004510A (en) * 1973-11-13 1977-01-25 J. Bobst & Fils S.A. Equipment for introduction of a strip of paper, cardboard or similar material into a printing machine
JPS54116560A (en) * 1978-03-01 1979-09-10 Kataoka Kikai Seisakusho Kk Tension control apparatus for running sheet
JPS59104939A (ja) * 1982-12-09 1984-06-18 Akira Seisakusho:Kk 印刷機における張力調整装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Nippon Shinbun Kyokai Komu Iinkai hen, Shinbun Insatsu, Insatsu hen Kaitei ban Oct. 31, 1980, Shadan Hojin Nippon Shinbun Kyokai, pp. 214 215, FIG. 57, p. 281, FIG. 46. *
Nippon Shinbun Kyokai Komu Iinkai-hen, "Shinbun Insatsu, Insatsu-hen Kaitei ban" Oct. 31, 1980, Shadan Hojin Nippon Shinbun Kyokai, pp. 214-215, FIG. 57, p. 281, FIG. 46.

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024156A (en) * 1985-12-13 1991-06-18 Veb Kombinat Polygraph "Werner Lamberz" Leipzig Safety device for the control of web-fed rotary printing machines
US5438926A (en) * 1991-11-04 1995-08-08 Hudyma; Edward Device for maintaining cut off registration in a printing press
US5386772A (en) * 1993-06-15 1995-02-07 Datametrics Corporation High speed media management device
US5636567A (en) * 1996-05-31 1997-06-10 Webtron Corporation Printing press with web feed metering system
US5816152A (en) * 1997-09-02 1998-10-06 Delaware Capital Formation, Inc. Reconfigurable printing press
US5937756A (en) * 1997-11-10 1999-08-17 Miyakoshi Printing Machinery Co., Ltd. Tension control system for web in form printing press
EP0943431A1 (de) * 1998-03-16 1999-09-22 LEMO Maschinenbau GmbH Flexodruckmaschine mit mehreren einzeln angetriebenen Druckwerken
US5927197A (en) * 1998-07-09 1999-07-27 Troy Systems, Inc. Tensioner and system for continuous printer sheet advancement
US6085956A (en) * 1998-08-04 2000-07-11 Quad/Graphics, Inc. Method and apparatus for controlling tension in a web offset printing press
US6606945B1 (en) * 1999-07-12 2003-08-19 Fuji Xerox Co., Ltd. Continuous medium printing apparatus
DE10003187B4 (de) * 1999-07-12 2007-08-02 Fuji Xerox Co., Ltd. Druckgerät für eine kontinuierliche Bahn
DE10066365B4 (de) * 1999-07-12 2013-02-28 Fuji Xerox Co., Ltd. Druckgerät mit einer Puffersektion und einer Vorschubkraft-Justiersektion für den Druck auf eine kontinuierliche Bahn
US6295925B1 (en) * 2000-05-22 2001-10-02 Sarni/Bria Flexographic Llc Web tension control system and method for flexographic tag and label presses
US20040020391A1 (en) * 2000-11-27 2004-02-05 Glockner Erhard Herbert Method for controlling a circumferential register in a web-fed rotary press
US6766737B2 (en) * 2000-11-27 2004-07-27 Koenig & Bauer Aktiengesellschaft Method for controlling a circumferential register in a web-fed rotary press
US20040261638A1 (en) * 2002-03-08 2004-12-30 Komori Corporation Method for controlling an apparatus for controlling a cutting position of a web member and device therefor
US7007602B2 (en) * 2002-03-08 2006-03-07 Komori Corporation Method and apparatus for controlling a cutting position of a web member and device therefor
US6820549B2 (en) * 2002-08-20 2004-11-23 Komori Corporation Rotary press
WO2005068334A3 (en) * 2003-12-22 2005-11-10 3M Innovative Properties Co Real-time determination of web tension and control using position sensors
KR101203346B1 (ko) 2003-12-22 2012-11-20 쓰리엠 이노베이티브 프로퍼티즈 컴파니 위치 센서를 이용한 웨브 장력의 실시간 결정 및 제어
WO2005068334A2 (en) 2003-12-22 2005-07-28 3M Innovative Properties Company Real-time determination of web tension and control using position sensors
US7114440B2 (en) * 2004-10-23 2006-10-03 Man Roland Druckmaschinen Ag Method for setting the cut register in a web-fed rotary press
US20060086276A1 (en) * 2004-10-23 2006-04-27 Man Roland Druckmaschinen Ag Method for setting the cut register in a web-fed rotary press

Also Published As

Publication number Publication date
WO1986002339A1 (en) 1986-04-24
DE3590509T1 (de) 1986-10-09
DE3590509C2 (zh) 1991-01-10

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